23210133212 has 18 divisors (see below), whose sum is σ = 47249200152. Its totient is φ = 9947199864.

The previous prime is 23210133161. The next prime is 23210133229. The reversal of 23210133212 is 21233101232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59209328 + ... + 59209719.

It is an arithmetic number, because the mean of its divisors is an integer number (2624955564).

Almost surely, 2^23210133212 is an apocalyptic number.

It is an amenable number.

23210133212 is an abundant number, since it is smaller than the sum of its proper divisors (24039066940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23210133212 is a wasteful number, since it uses less digits than its factorization.

23210133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118419065 (or 118419056 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23210133212 its reverse (21233101232), we get a palindrome (44443234444).

The spelling of 23210133212 in words is "twenty-three billion, two hundred ten million, one hundred thirty-three thousand, two hundred twelve".